GAS INJECTION DEVICE
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
Mar 26, 2021
filing date -
May 14, 2020
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Abstract
A gas injection device for introducing a process gas into a non-ferrous metal melt and/or slag, in particular a copper melt and/or copper slag, including a hollow-cylindrical lance which is formed from a refractory material and/or graphite, preferably includes a refractory material and/or graphite. The lance has an inlet opening for the process gas and a gas injection module connected to the hollow-cylindrical lance and formed from a refractory material and/or graphite, preferably including a refractory material and/or graphite, with at least one outlet opening for the process gas. The outlet opening includes at least one throughflow element formed from a ceramic material via which the process gas can be introduced into the melt.
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